// MIT License
//
// Copyright (c) 2017-2021 Wesley Wickwire and Tokamak contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

@testable import TokamakCore
import XCTest

class ValuePointerTests: XCTestCase {
  func testStructValuePointer() throws {
    var person = PersonStruct()
    withValuePointer(of: &person) { p in
      XCTAssert(p.assumingMemoryBound(to: String.self).pointee == "Wes")
    }
  }

  func testProtocolStructValuePointer() throws {
    var person: PersonProtocol = PersonStruct()
    withValuePointer(of: &person) { p in
      XCTAssert(p.assumingMemoryBound(to: String.self).pointee == "Wes")
    }
  }

  func testAnyStructValuePointer() throws {
    var person: Any = PersonStruct()
    withValuePointer(of: &person) { p in
      XCTAssert(p.assumingMemoryBound(to: String.self).pointee == "Wes")
    }
  }
}

private protocol PersonProtocol {
  var fistname: String { get set }
  var lastname: String { get set }
  var age: Int { get set }
}

private struct PersonStruct: PersonProtocol {
  var fistname = "Wes"
  var lastname = "Wickwire"
  var age = 25
}
